Industrial News
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What are the methods for expanding the outer diameter of the 20# oil-cracking steel pipe
What are the methods for expanding the outer diameter of the 20# oil-cracking steel pipe? What are the advantages? With the development of industrial technology and the petroleum and chemical industries, the demand for large-diameter seamless steel pipes has increased year by year. Although large...Read more -
Problems in the regulations and selection standards for thick-walled steel pipes in engineering
Regulations for thick-walled steel pipes in engineering: corresponding regulations and various regulations for the actual selection and use of thick-walled pipe fittings. When thick-walled steel pipes and thick-walled pipe fittings are selected or used, they must first follow the relevant regulat...Read more -
What is the difference between a welded steel pipe and a welded spiral steel pipe
Welded steel pipe refers to a steel pipe with seams on the surface that is formed by bending steel strips or steel plates into round, square, and other shapes and then welding them. The billet used for welded steel pipes is steel plate or strip steel. Since the 1930s, with the rapid development o...Read more -
How to detect the weld position of steel pipes
The detection of the weld position of steel pipes is a very important part of welding quality control and can be detected by a variety of methods. The following are some common weld position detection methods for steel pipes: 1. Visual inspection: Conduct a visual inspection of the welds of the s...Read more -
Seamless steel pipe quality objection analysis and preventive measures
Seamless steel pipe quality objection analysis and preventive measures We conduct statistical analysis on the product quality of seamless steel pipes. From the statistical results, we can understand that each manufacturer has processing defects (processing cracks, black leather buckles, internal ...Read more -
11 major energy-saving measures for steel pipe heat treatment processes
First, lower the heating temperature. Generally, the quenching heating temperature of hypereutectoid carbon steel is 30~50℃ above Ac3, and the quenching heating temperature of eutectoid and hypereutectoid carbon steel is 30~50℃ above Ac1. However, research in recent years has confirmed that heati...Read more